The file ha414pg.dll is a language resource file for HAFAS made by HaCon Ingenieurgesellschaft mbH. The interior name of this file is a Windows Ressource DLL (GER), which just means that it provides the German language module in a dynamic link library form for the HAFAS timetable program to use.
HAFAS is a transit, timetable, scheduling, and customer service program created by the German company HaCon to work with any form of regular traffic. An error with this file will disable the German language modules for the program. You should clean your registry to solve this issue.
The registry is a database at the heart of Windows that should be regularly cleaned to prevent errors like this. You get these errors when small mistakes creep into the registry, and Windows can no longer find the files it needs to run.
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